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(めも)PHPで文字数制限をかけて出力する。

Posted at

#echo substr('mojiretsu' , 始点 ,終点);

例:文字列がmojiretsuの場合に2文字目から4文字目までを出力する。
$str = 'mojiretsu'
echo substr($str ,1 , 4);

oji

###mb_substr()
*substr()との違い。

substr():バイト数でカウント。半角1文字で1バイト、全角2文字で2バイト。
mb_substr():mbはマルチバイトの意。文字数でカウント、半角でも全角でも1文字。
##なので日本語の文字列を使うならmb_substr()の方が楽。

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